42286213 has 4 divisors (see below), whose sum is σ = 44124768. Its totient is φ = 40447660.

The previous prime is 42286207. The next prime is 42286219. The reversal of 42286213 is 31268224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (42286207) and next prime (42286219).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42286213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42286219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919243 + ... + 919288.

It is an arithmetic number, because the mean of its divisors is an integer number (11031192).

Almost surely, 2^42286213 is an apocalyptic number.

It is an amenable number.

42286213 is a deficient number, since it is larger than the sum of its proper divisors (1838555).

42286213 is a wasteful number, since it uses less digits than its factorization.

42286213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838554.

The product of its digits is 4608, while the sum is 28.

The square root of 42286213 is about 6502.7850187439. The cubic root of 42286213 is about 348.3904681558.

The spelling of 42286213 in words is "forty-two million, two hundred eighty-six thousand, two hundred thirteen".